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Unanswered: Want to delete datafile

I have many datafiles created as we were short of tablespace memory. When unix mount point (that was created for oracle files ) is filled to 98% i have dropped many schemas which are no longer required. I gained space in tablespace but not freed any space on unix disk.

I know as I did create datafiles the space remain in same tablespace which consumes disk space. I want to know how to free the memory on disk.Better tell me the way to remove datafile.

>Better tell me the way to remove datafile.
You might be able to SHRINK data files; then again might not.
The only way to actually remove/delete data files is to
1) CREATE TABLESPACE
2) move all objects from old tablespace to new tablespace
3) DROP TABLESPACE including contents
4) rm datafile1, datafile2

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